Osmond yokmre ladd



O. Y. LADD. EYEGLASS MOUNTING. APPLICATION men FEB. 12. 1919.

PatentedJuly s, 1919.

WITNESSES Mama/LA A TTORA/EYS UNITED strnrns PATE -OFF QE osMoNn YONGUE LAnn, or nmwmgebmmmmf I nYneLnssoUNrING.

To all whom it may concern Be it known that I, OsMoND Y. LADD, a citizen of the United States, anda resident of Danbury, in the county of Fa irfiel d' and State of Connecticut, have invented certain new and useful Improvements in Eyeglass- Mountings, of which the following is a specification.

My present invention relates generally to eye glass mountings, and more particularly to a construction involved" in the connection of the finger. piece lever with the bridge, of

- what are known as nose piece glasses, my

object being the provision of an arrangement which will materially increase the bearing of these parts, reduce wear, and permit of more ready and quick repair, than the structure now employed.

In the accompanying drawing illustrat ing my present invention and forming at part of this specification,

Figure 1 is a front elevation of a mounting embodying my present invention,

Fig. 2 is a vertical transverse section through the bridge at one side of one of the finger piece levers,

Fig. 3 is a vertical transverse section in a plane through the bearing of one of the finger piece levers, and

Fig. 4 is a view similar to Fig. 3 illustratinga slightly modified construction.

eferring now to these figures, and particularly to Fig. 1, I have shown a pair of lenses 10 held by means of clips 11 as usual, at the opposite end of the bridge 12, the latter of which is in accordance with my present improvement provided at each side with an upstanding tubular pivot post 13, open at its upper and lower ends, and opening at its latter end through the lower surface of the bridge.

Each of the finger piece levers 14 of my present construction has the usual finger piece 15 at one end and nose clamps 16 at its opposite end and is provided at the intermediate point with a depending hollow pivot bar 17, the upper end of which is closed, and the lower open end of which may be extended downwardly into the upper open end of the pivot post 13 of the bridge, as particularly seen in Fig. 3.

Each finger piece leveris thus rotatably supported by the bearing of its pivot bar 17 within the pivot post 13 and has a portion around the upper end of the pivot bar Specification of iette'rs Patent.

P'atented July 8 Kpplica't'iofi fil'edFebruany 12, 19 1 9. Serial Not5876,51 1.

17 which closes the upperend of the pivot post 13 so as to exclude moisture, dirt or other foreign matter fromLthe bearing surfaces. i

As seen in Fig. 3 the pivot bar 17 may extend through the pivot post 13 for the full length of the latter and may have internal threads engaged by a screw 18 whose lower head 19 has bearing against the lower surface of the bridge-12 around the lower opening of the" pivot post 13.

Asseen inFig. 4:, however, the lower end of the pivot bar 17 may be terminated above the lower end of :thepivot post 13 and a screw may be utilized having. a body portion 20 movably interfitting the lower portion of the said pivot postand' provided with a lower head 21 bearing against the lower surface ofthe'bricl'ge 1'2 and a reduced threaded extension 22 at its opposite end to engage the ]ower internal threads of the pivot bar 17*.

In either case it is obvious that the finger piece lever is thus given a bearing throughout the full length of the pivot post 13 or 13 so as to relieve the connecting screw of the undersirable strain imposed thereon in the usual construction. It is obvious that the bearing as proposed in my improved construction will not only facilitate operaduce wear and maintain the connecting screw in such a condition that it may be readily removed for purposes of cleaning and repair, without danger of stripping the threads.

It is of course to be understood that a spring 23 is utilized with each of the finger piece levers 14; in my construction, much the same as in the usual mounting, with its opposite ends respectively anchored upon portions of each finger piece lever and the bridge. In the present construction this spring is coiled around the pivot post of the bridge.

It is furthermore obvious that, as shown in Fig. 4, the screw may in either case be extended entirely through the tubular pivot bar if it is so desired.

I claim:

1. A lens mounting comprising abridge having a tubular upstanding pivotpost opening at its lower end through the lower tion of the finger piece lever, but will resurface of the bridge, a finger piece lever tending downwardly into the pivot post, and fastening means engaging the lower portion of said bar and having bearing against the lower surface of the bridge around the lower opening of the post.

2. A lens mounting comprising a bridge having a tubular upstanding pivot post opening at its lower end through'the lower surface of the bridge, a finger piece lever having a portion overlying and closing the upper end of the post and provided with a depending tubular pivot bar closed'at its upper end and extending downwardly within the pivot post, and fastening means engaging the lower portion of said bartand having bearing against the lower surface of the bridge around the lower opening of the post.

3. A lens mounting comprising a bridge having a tubular upstanding pivot post opening at its lower end through the lower surface of the bridge, a finger piece lever having a depending tubular pivot post closed at its upper end and having its lower open end extending downwardly within the pivot post, and fastening meansthreaded within the lower end of said pivot bar and having bearing against the lower surface of the bridge around the lower opening of the post.

4:. A lens mounting comprising a bridge having a tubular upstanding pivot post opening at its lower end through the lower surface of the bridge, a finger piece lever having a depending tubular pivot bar extending downwardly into the pivot post, and a screw having a portion movably interfitting the lower portionof the pivot post, said screw having a head at one end bearing against the lower surface of the bridge, and a reduced threaded extension at its opposite end for engaging 1 internal threads of the pivot bar.

5. A lens mounting comprising a bridge having a tubular upstanding pivot 'post, opening at its lower end through the lower surface of the bridge, a finger piece lever having a pivot bar extending into the said tubular pivot post, and fastening means engagingthe lower portion of said pivot bar and having bearing against the lower surface of the bridge around the lower opening of the post. i

osMoND YONGUE LA-DD.

Copies of this patent may be obtained for five cents each, by' addressing the Commissioner of Patents,

Washington, 

